3.01xx10^(23)Ca^(+2) and CO_(3)^(-2)ions are present in CaCO_(3).The mass of sample is.....

3.01xx10^(23)Ca^(+2) and CO_(3)^(-2)ions are present in CaCO_(3).The m

1.	3.01xx10^(23)Ca^(+2) and CO_(3)^(-2)ions are present in CaCO_(3).The mass of sample is.....
Answer» 40 G 50 g 60 g 70 g Answer :B